Flat on both sides with two vertical, slightly conical 0.7 cm deep dovetail cuts for the scoring cutters, the wooden wedges slightly protrude on the outside. Chip hole goes all the way through. From the vertically round wooden bolt, diameter 1.4 cm. Depth stop on the left 0.5 cm, on the right 1.4 cm. In the 1.3 cm wide wooden tongue, 3.5 cm behind the blade, there is a wood screw from below. No side guide.